Add debug Remove entry, Show more auto-picker, and update docs.

DELETE /api/paintings/:id removes works and image files with gallery refresh and catalog navigation; Show more opens the search modal on load; documentation updated for migrate schema and debug workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

Documentation/setup.md

@@ -54,10 +54,12 @@ npm run setup
 Or step by step:
 
 ```bash
-npm run migrate    # apply db/schema.sql
+npm run migrate    # db/schema.sql + db/migrate-*.sql via server/migrate.js
 npm run seed       # eras, movements, artists, paintings, influences
 ```
 
+`npm run migrate` is safe to re-run on existing databases (uses `IF NOT EXISTS` / `ADD COLUMN IF NOT EXISTS`).
+
 If migration fails with permission errors, grant schema rights to the app user first (see [DB_structure.md](DB_structure.md)).
 
 ### Recommended post-seed steps
@@ -236,7 +238,8 @@ After clone: copy `.env.example` → `.env`, install dependencies, run `npm run
 | Permission denied creating tables | `gallery` user lacks CREATE | Run admin grants, then migrate |
 | Wikipedia API rate limit during fetch | Too many requests in a row | Wait and re-run; scripts retry with backoff |
 | Checkup **Reviewed** toggle returns 404 | Stale server process missing new routes | Restart `npm run dev` after pulling API changes |
-| Debug **More** / **Clear** / **Upload** returns 404 | Same as above | Restart server; routes live in `server/index.js` + `server/image-service.js` |
+| Debug **More** / **Clear** / **Upload** / **Remove entry** returns 404 | Stale server process | Restart `npm run start` or `npm run dev:server`; routes in `server/index.js` + `server/image-service.js` |
+| Debug **Remove entry** — button stuck or missing on next painting | Stale client build | `cd client && npm run build`; hard-refresh — detail view remounts per painting id |
 | Debug **Upload** returns 413 Payload Too Large | Base64 JSON exceeds body limit | Server allows 20 MB JSON / 15 MB decoded image; compress file or resize before upload |
 | No art-history notes on painting detail | Annotations not migrated or loaded | `npm run migrate:painting-annotations` then `npm run update-painting-annotations` |
 | **Fix it** fails with `read ECONNRESET` | Remote host dropped connection | Restart server; client sends `searchUrl` / `source`; retry or use Commons URL in overrides |